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经营范围
发明名称
MOLDING DIE
摘要
申请公布号
JPH04140000(A)
申请公布日期
1992.05.13
申请号
JP19900262184
申请日期
1990.09.29
申请人
SONY CORP
发明人
URYU MASARU
分类号
H04R7/02;H04R31/00
主分类号
H04R7/02
代理机构
代理人
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地址
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